Question: QUESTION 4 The following table provides a probability distribution for the random variable X: f(x) 0.25 4 0.5 0.25 Compute E(X), the expected value of

QUESTION 4 The following table provides a

QUESTION 4 The following table provides a probability distribution for the random variable X: f(x) 0.25 4 0.5 0.25 Compute E(X), the expected value of (x)? Compute Var(X), the varaince of (x)? Compute Stddev(x), the standard deviation of (x)? (to 4 decimals) Compute E(2x), the expected value of (2x)? Compute Var(3x), the varaince of (3X)? Compute Stddev(3X), the standard deviation of (3X)? (to 4 decimals)

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